While working on bug #704866 I decided to test what happens on pre/postrm failures as well (thanks mgorny). It looks like the prerm error message references /var/tmp/portage/._unmerge_/* despite it being wiped clean. Running from git, HEAD is currently at 3e56f8a6498cd90a7d5fe472febf586455c3bad7. $ emerge --root=/tmp/test_root/ --ask=n --depclean app-misc/foo FEATURES variable contains unknown value(s): jobserver FEATURES variable contains unknown value(s): jobserver Calculating dependencies ... done! >>> Calculating removal order... >>> Using system located in ROOT tree /tmp/test_root/ app-misc/foo selected: 0 protected: none omitted: none All selected packages: =app-misc/foo-0 >>> 'Selected' packages are slated for removal. >>> 'Protected' and 'omitted' packages will not be removed. >>> Waiting 5 seconds before starting... >>> (Control-C to abort)... >>> Unmerging in: 5 4 3 2 1>>> Unmerging (1 of 1) app-misc/foo-0... Packages installed: 0 Packages in world: 1 Packages in system: 56 Required packages: 0 Number removed: 1 * Messages for package app-misc/foo-0 merged to /tmp/test_root/: * prerm called, will die: 1 * ERROR: app-misc/foo-0::debug-shit failed (prerm phase): * die requested * * Call stack: * ebuild.sh, line 136: Called pkg_prerm * environment, line 497: Called die * The specific snippet of code: * die 'die requested'; * * If you need support, post the output of `emerge --info '=app-misc/foo-0::debug-shit'`, * the complete build log and the output of `emerge -pqv '=app-misc/foo-0::debug-shit'`. * The complete build log is located at '/var/tmp/portage/._unmerge_/app-misc/foo-0/temp/build.log'. * The ebuild environment file is located at '/var/tmp/portage/._unmerge_/app-misc/foo-0/temp/environment'. * Working directory: '/var/tmp/portage/._unmerge_/app-misc/foo-0/empty' * S: '/var/tmp/portage/._unmerge_/app-misc/foo-0/work/foo-0' * postrm called, will die: 0 * GNU info directory index is up-to-date. * IMPORTANT: 4 news items need reading for repository 'gentoo'. * Use eselect news read to view new items. $ ls -alF /var/tmp/portage/._unmerge_ total 16 drwxrwxr-x. 1 portage portage 0 Sep 9 16:47 ./ drwxrwxr-x. 1 portage portage 20 Sep 9 16:45 ../